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Activity
University of Cambridge

University of Cambridge: Nrich: The Lily Pond

For Students 3rd - 8th
Using your problem solving skills find the best way for Freddie to visit Sammy. On this one page website the solution is right there for you when you have found a solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: On the Edge

For Students 3rd - 8th
On which polyhedra are you able to trace along the edge without retracing any edge? When you have found the correct polyhedra then check the solution provided for you right at this one page NRich website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Ten Green Bottles

For Students 3rd - 8th
Sharpen your problem solving skills and find the solution to the challenge on this one page website. You might want to make a list. Once you have your solution you can check the website and see if it agrees with their solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Shutting Puzzle

For Students 3rd - 8th
Sharpen your problem solving skills and figure out a solution for this interesting problem. The solution is on this one page website so that you can check your answer.
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Activity
University of Cambridge

University of Cambridge: Nrich: Single Track

For Students 3rd - 8th
See if you can figure out how to get two trains on a single track past each other using only a very short siding. Check your results right on this one page websites to see if your answer works.
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Activity
University of Cambridge

University of Cambridge: Nrich: Two Dots

For Students 3rd - 8th
Sharpen your problem-solving skills with this challenge that has you place dots on a diagram so that only two are on each straight line.
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Activity
University of Cambridge

University of Cambridge: Nrich: Numerically Equal

For Students 9th - 10th Standards
The challenge for this problem is to see if you can find rectangular shapes that have the same number for their perimeter and area. Solutions are available at this one page website.
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Activity
Other

Communication in Math Activities for Grades K 2

For Students Pre-K - 1st
Early learners can build their math communication skills with these "Real-world," writing and problem solving activities. Students focus on developing strategies for using math vocabulary and writing about math.
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Activity
University of Cambridge

University of Cambridge: Nrich: 6 Beads

For Teachers K - 1st Standards
Use the diagram on this one page website to solve the problem. There are teacher notes and the solution is only a click away.
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Activity
University of Cambridge

University of Cambridge: Nrich: Biscuit Cookie Decorations

For Students 3rd - 8th
Solve this problem keeping in mind that cookies are called biscuits in England. Solution included.
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Activity
University of Cambridge

University of Cambridge: Nrich: Bunny Hop

For Students 3rd - 8th
You will want to "hop" right on this problem and see if you can find a solution at this one page website. Then you can check it right there.
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Whiteboard
ClassFlow

Class Flow: Text Features

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This interactive flipchart describes different text features, including captions, italics, diagrams, labels, and titles.
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Activity
Education.com

Education.com: Ri.2.7 Worksheets

For Teachers 1st - 3rd Standards
[Free Registration/Login Required] These worksheets can help students practice the Common Core State Standards skill of explaining how specific images (e.g., a diagram showing how a machine works) contribute to and clarify a text.